Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. What is an equivalent fraction for the red
1 answer:
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Answer: The percentile is 89
Step-by-step explanation:
This question can be solved using concept for t tables
In a normal distribution the curve.
The relationship between z score, mean and standard deviation is given by
So the z value according to this is given by the formula
From the z table we can infer that p value for z=+1.217 is 88.82
So 1750 is 89th percentile
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